Features1.MPPT charge mode,conversion efficiency up to 99%2.12V/24V/48V system auto recognize;3.Wide range of PV input with max. is DC150V.4.Memory function,Save setting function: date,time,generating capacity record and so on .5.Charge mode: 3 stages (fast charge,constant charge ,floating charge) .It prolongs service life ofthe batteries .6.Discharge mode: ON/OFF mode, double time control mode,PV voltage control mode ,PVvoltage+time delay mode and so on .7.Selected battery types: sealed lead acid, vented, gel, NiCd battery. Other types of thebatteries can also be defined.8.Most information could be provide by LCD and LED like: model no.,PV input voltage,batterytype,battery voltage,charging current,charging power,working status and so on. Also customer'sinformation like company name,website and logo can be added into Solar Eagle software.9.RS232 and LAN communication port. IP and Gate address could be user define it satisfyglobal area.And communication protocol can be provided to manage all information.10.The upper computer software is displayed in 11 languages, it could show work status andbe set parameters of the discharge system.11.With intelligent design,the device can be upgraded online lifelong.12.Compliance with the 2002/95/EC environment protecting demand,doesn't include theCadmium, hydride and fluoride etc material13.Equipment integrity: controller + CD-ROM(microcomputer software) + communication wire +temperature sensing wire + Anderson terminals;14.CE,ROHS certifications approved.15.2 years warranty. The service life is designed to use for 10 years in theory. Extended 3~10years warranty service also can be provided.